[On the topic of sanctions, albeit not appellate sanctions, see Stan Lee’s Daughter Sanctioned $1 Million for Frivolous IP Case about an order from CD Cal Judge Wright. Yes, that's $1M in sanctions, with counsel on the hook for $250K. An appeal has been vowed in the press. See here.]
Also enjoy the nice use of "Aha!" on page 11 of the 4/3 decision here!